The Walker Products Ignition Knock (Detonation) Sensor (part number 242-1069) is a direct-fit replacement for 1999-2004 Ford vehicles with 4.2L engines. Walker Products Knock Sensors are OE Replacement components that detect engine detonation to help the ECU adjust timing and prevent internal engine damage.
Features:
- Detects Engine Knock:Â Monitors vibration frequencies to detect detonation and prevent pre-ignition engine damage.
- Exact OE Fit: Installs directly into original mounting locations using factory connectors and threads—no modifications required.
- Restores Ignition Timing Accuracy:Â Supports optimal fuel efficiency, performance, and emissions by correcting spark advance during knock conditions.
- OE Replacement Sensitivity:Â Calibrated to match factory frequency response and output for seamless ECU integration and spark control.
- Built for Harsh Environments:Â Engineered to resist heat, vibration, and oil exposure for long-lasting signal reliability.
Specifications:
| Number of Terminals | 4 |
| Connector Type | Blade |
| Connector Shape | Square |
| Connector Gender | Female |
| Terminal Gender | Male |
Fits: 1999-2004 Ford models including E-150, E-150 Club Wagon, E-150 Econoline, E-150 Econoline Club Wagon, E-250, E-250 Econoline, F-150, and F-150 Heritage — 4.2L engines.
Confirm the year, make, model, and engine against your vehicle before ordering. Full application data is shown in the fitment lookup on this page.
Interchanges With: Ford 3027144, Ford XL3F12A699CA, Ford XL3Z12A699CAFC, Wells SU2215, NTK ID0143, Bosch 0 261 231 143, SMP KS125, BWD S8659 and 2 more
WARNING: This product can expose you to chemicals, including lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm.
